Finding the Fourth Proportional to 9,209.82, 12,709.61 and 5,018.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,209.82 : 12,709.61 = 5,018.07 : x
2. Step 2: Convert to fraction form
   9,209.82/12,709.61 = 5,018.07/x
3. Step 3: Cross multiply
   9,209.82x = 12,709.61 × 5,018.07
4. Step 4: Simplify right side
   9,209.82x = 63,777,712.65
5. Step 5: Solve for x
   x = 63,777,712.65/9,209.82
6. Step 6: Final answer
   x = 6,924.97